Casayuran, M. B. (2000). Procurement overhaul urged. Manila Bulletin.
Chicagoスタイル(17版)引用形式Casayuran, Mario B. "Procurement Overhaul Urged." Manila Bulletin 2000.
MLA(9版)引用形式Casayuran, Mario B. "Procurement Overhaul Urged." Manila Bulletin, 2000.
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